Home / 19,370.24-26,731.08-10,986.80

Finding the Fourth Proportional to 19,370.24, 26,731.08 and 10,986.80

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Solution

The fourth proportional to 19,370.24, 26,731.08 and 10,986.80 is: 15,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.24 : 26,731.08 = 10,986.80 : x
  2. Step 2: Convert to fraction form
    19,370.24/26,731.08 = 10,986.80/x
  3. Step 3: Cross multiply
    19,370.24x = 26,731.08 × 10,986.80
  4. Step 4: Simplify right side
    19,370.24x = 293,689,029.74
  5. Step 5: Solve for x
    x = 293,689,029.74/19,370.24
  6. Step 6: Final answer
    x = 15,161.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.